![]() This disease is spread in one of three ways: inhaling dust that is contaminated with rat urine or droppings, direct contact with rat feces or urine, and infrequently due to the bite of rat. Hantavirus Pulmonary Syndrome: This is a viral disease that is transmitted by the rice rat. While the following list of diseases or medical conditions are all associated with rats, most are not commonly encountered in the United States. Their droppings, dander and shed hair can cause people to sneeze and experience other allergic reactions.ĭiseases transmitted by rats fall into one of two categories: diseases transmitted directly from exposure to rat-infected feces, urine or bites and diseases indirectly transmitted to people by an intermediate arthropod vector such as fleas, ticks or mites. Rats also are a potential source of allergens. From the transmission of bubonic plague to typhus and hantavirus, rat infestations can prove harmful to human health. Fleas transported on rats are considered responsible for this plague during the Middle Ages, which killed millions. Transfer occurs when fleas from the rats bite human beings. One of the most historically dangerous rat-borne diseases is the bubonic plague, also called "Black Plague," and its variants. Some individuals experience long-term effects of lymphocytic choriomeningitis, while others experience only temporary discomfort. Lymphocytic choriomeningitis (LCMV), a viral infectious disease, is transmitted through the saliva and urine of rats. Complications include renal and liver failure, as well as cardiovascular problems. ![]() It can also be contracted through handling or inhalation of scat. Rat urine is responsible for the spread of leptospirosis, which can result in liver and kidney damage. Rat bites and scratches can result in disease and rat-bite fever. ![]()
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